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| Index | Timepiece Archive, Categories | Archive: Watch Movements | Timepiece Market |
 Fig. 1  Fig. 2 | Bifora 51 Features manual wind Data 5.75 x 6.75''', Dm= 12.95 x 15.15mm Do= 12.95 x 15.55m H= 3.2mm F= 0.5mm T= 1.6mm 17 jewels f = 18000 A/h Balance staff U2907 Stem W2921 Mainspring / battery Zf729, 1.25 x 6.5 x 0.07 x 210mm Hands 1.00 x 0.55mm Comments about the data | Remarks 1960-1966 generations: 51: 18000 A/h 52: 21600 A/h 52/2: 21600 A/h, barrel and first wheel modified Example, year: signature; shock device ca. 1970: B, 52, 2; Bifora-Bishock (Bifora 52/2, 21600A/h) Not for Sale! The movements presented in this caliber finder are not for sale. This is only a data sheet for identification and evaluation of the movement calibre, as well as for approximate dating. |
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